diff --git a/cli.js b/cli.js
new file mode 100755
index 0000000..e72f0b2
--- /dev/null
+++ b/cli.js
@@ -0,0 +1,25 @@
+#!/usr/bin/env node
+
+process.bin = process.title = 'css-wrap';
+
+var program = require('commander');
+var pkg = require('./package.json');
+
+var css_wrap = require('./css_wrap');
+
+program
+  .version(pkg.version)
+  .usage('<string|file>')
+  .option('--selector <value>', 'A namespace selector in which to wrap CSS')
+  .option('--skip [value]', 'Skip css rules by regular expressions')
+  .parse(process.argv);
+
+
+if (program.args.length < 1) {
+   program.help();
+}
+
+console.log(css_wrap(program.args[0], {
+  selector: program.selector,
+  skip: program.skip
+}));
diff --git a/css_wrap.js b/css_wrap.js
index c9533d9..8694d7f 100644
--- a/css_wrap.js
+++ b/css_wrap.js
@@ -23,7 +23,11 @@ var
     return list.map( function( r ) {
       if ( r.selectors ) {
         r.selectors.forEach( function( s, index ) {
-          if (options.skip && options.skip.test(s)) return
+          var skip = options.skip;
+          if (skip) {
+            if (typeof skip === 'string') skip = new RegExp(skip);
+            if (skip.test(s)) return;
+          }
           var selector = options.selector ? options.selector + " " + s : s;
           r.selectors[ index ] = selector;
         });
diff --git a/package.json b/package.json
index 9b881ff..a82ea00 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,11 @@
   "scripts": {
     "test": "nodeunit test/css_wrap_test.js"
   },
+  "bin": {
+    "css-wrap": "./cli.js"
+  },
   "dependencies": {
+    "commander": "^2.9.0",
     "css-parse": "^2.0.0",
     "css-stringify": "^2.0.0",
     "deepmerge": "^0.2.10"